_ is great fun to learn another language.中的_应填啥词

_ is great fun to learn another language.中的_应填啥词 ( )is fun to learn another language Learning another language is fun ( ) ( ) ( ) learn another l It's fun to learn another language.感叹句 It's very fun to learn another f____ language I's fun to learn another language中,为什么是fun而不是funny? 问一道英语单项选择题It's( )fun to learn another foreign language.A.so I thought ( ) fun to learn another Language .A it B it's C t studying grammar is a great way to learn a language I thing_______is fun to leam another language It was _ fun.（great）对不对 I think living in the countryside is _ A.a great fun B.great